#include<bits/stdc++.h>
using namespace std;
int n,a[100005],ans;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    } ans=n;
    sort(a+1,a+n+1);
    int sum1=1,sum2=0;
    for(int i=2;i<=n;i++){
        if(a[i]==a[i-1]){
            if(sum2==0) sum1++;
            else sum2++;
        }
        if(a[i]>a[i-1]){
            if(sum2==0) sum2++;
            else{
                ans-=min(sum1,sum2);
                sum1-=min(sum1,sum2);
                sum1+=sum2;
                sum2=1;
            }
        }
    }
    ans-=min(sum1,sum2);
    cout<<ans;
    return 0;
}
